Answer:
The more of this there is the less you see. What is it?
A man who was outside in the rain without an umbrella or hat didn't get a single hair on his head wet. Why?
You can see me in water, but I never get wet. What am I?
I'm written with two letters, said with one and seen with two. What am I?
I am a way to say goodbye to your sweetheart
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright